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Contract OI history

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Oct 23, 2026 EXPIRATION

ALAB $287.50 Put

ALAB261023P00287500

Latest saved OI70Oct 23, 2026
Last change-3vs previous saved observation
Saved market days6Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
ALAB $287.50 put open interest history 6 saved observations from 2026-10-13 to 2026-10-23. Exact values and changes are listed in the table below. 73360 2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 4 OI2026-10-16: 12 OI2026-10-21: 73 OI2026-10-23: 70 OI Oct 13, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ALAB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing70-3
Oct 21, 202673+61
Oct 16, 202612+8
Oct 15, 20264+4
Oct 14, 202600
Oct 13, 20260No prior observation